22274933 has 2 divisors, whose sum is σ = 22274934. Its totient is φ = 22274932.

The previous prime is 22274927. The next prime is 22274951. The reversal of 22274933 is 33947222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19201924 + 3073009 = 4382^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 22274933 - 2⁶ = 22274869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22274933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22274963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137466 + 11137467.

It is an arithmetic number, because the mean of its divisors is an integer number (11137467).

Almost surely, 2^22274933 is an apocalyptic number.

It is an amenable number.

22274933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22274933 is an equidigital number, since it uses as much as digits as its factorization.

22274933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 22274933 is about 4719.6327187611. The cubic root of 22274933 is about 281.3663362013.

The spelling of 22274933 in words is "twenty-two million, two hundred seventy-four thousand, nine hundred thirty-three".